Lesson: Subtracting Ones From Teen Numbers Mathematics • 1st Grade

In this lesson, we will learn how to subtract a one-digit number from a teen number when we do not cross a ten by subtracting ones.

Lesson Video

Q1:

Michael drew this model to help him subtract.

Which of these has the same answer as ?

What is ?

Q2:

Look at how Jennifer subtracted 3 from 15.

Fill in the blank: .

Q3:

What is 18 take away 4?

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